Finding the Fourth Proportional to 76,672.05, 114,971.68 and 26,746.08
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Solution
The fourth proportional to 76,672.05, 114,971.68 and 26,746.08 is: 40,106.42
Step by Step Solution
- Step 1: Write the proportion equation
76,672.05 : 114,971.68 = 26,746.08 : x - Step 2: Convert to fraction form
76,672.05/114,971.68 = 26,746.08/x - Step 3: Cross multiply
76,672.05x = 114,971.68 × 26,746.08 - Step 4: Simplify right side
76,672.05x = 3,075,041,751.01 - Step 5: Solve for x
x = 3,075,041,751.01/76,672.05 - Step 6: Final answer
x = 40,106.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.